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Finding the Fourth Proportional to 4,273.73, 6,410.73 and 1,931.21

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Solution

The fourth proportional to 4,273.73, 6,410.73 and 1,931.21 is: 2,896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,273.73 : 6,410.73 = 1,931.21 : x
  2. Step 2: Convert to fraction form
    4,273.73/6,410.73 = 1,931.21/x
  3. Step 3: Cross multiply
    4,273.73x = 6,410.73 × 1,931.21
  4. Step 4: Simplify right side
    4,273.73x = 12,380,465.88
  5. Step 5: Solve for x
    x = 12,380,465.88/4,273.73
  6. Step 6: Final answer
    x = 2,896.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.